source (noun)
121energy — noun 1 ability to be active/work hard ADJECTIVE ▪ boundless, endless, inexhaustible, limitless, unflagging, unlimited ▪ I admire her boundless energy. ▪ …
122principle — noun 1》 a fundamental truth or proposition serving as the foundation for belief or action. ↘a rule or belief governing one s personal behaviour. ↘morally correct behaviour and attitudes: a man of principle. 2》 a general scientific theorem …
123Betula — noun a genus of trees of the family Betulaceae (such as birches) • Syn: ↑genus Betula • Hypernyms: ↑hamamelid dicot genus • Member Holonyms: ↑Betulaceae, ↑family Betulaceae, ↑birch family …
124flood lamp — noun light that is a source of artificial illumination having a broad beam; used in photography • Syn: ↑flood, ↑floodlight, ↑photoflood • Derivationally related forms: ↑floodlight (for: ↑floodlight) …
125food chain — noun (ecology) a community of organisms where each member is eaten in turn by another member • Topics: ↑ecology, ↑bionomics, ↑environmental science • Hypernyms: ↑organic phenomenon • Part Holonyms: ↑ …
126Goa powder — noun a bitter yellow powder used to treat skin diseases • Syn: ↑araroba, ↑chrysarobin • Hypernyms: ↑powder * * * noun Usage: usually capitalized G Etymology: goa ( …
127quartz lamp — noun a mercury vapor lamp that is enclosed in a quartz container instead of a glass container • Hypernyms: ↑mercury vapor lamp * * * noun : a mercury vapor lamp in a tube of quartz glass that transmits most of the ultraviolet radiation * * * a… …
128secondary emission — noun the emission of electrons from a surface that is bombarded by higher energy primary electrons • Hypernyms: ↑emission * * * noun : the emission of electrons from a surface that is bombarded by electrons or ions from a primary source * * * the …
